Respiratory Diseases

💡TL;DR: Atelectasis means part of the lung is not fully open, often after surgery, shallow breathing, mucus blockage, or pressure from fluid or air outside the lung. In adults, surgery with general anesthesia is one of the most common settings, and postoperative atelectasis can affect up to 15% to

💡 TL;DR: Shortness of breath climbing stairs can be normal if it is mild, happens only with clear effort, and settles within a few minutes of rest. It is more concerning if it is new, getting worse, happens with one flight, or comes with chest pain, fainting, wheeze, swelling, or

💡TL;DR: For adults 60 and older, one RSV vaccine dose protects for at least two RSV seasons, so it is not a yearly shot. In babies, protection is much shorter: the maternal RSV vaccine helps protect a newborn for about 6 months, and the infant antibody shot lasts about

💡 TL;DR: Phlegm color can give clues, but it cannot diagnose an infection on its own. Clear or white mucus is often seen with normal irritation, allergies, or early viral illness, while yellow or green usually means your immune system is active, not that you automatically need antibiotics. Red, pink,

💡TL;DR: Pink frothy sputum usually means fluid is leaking into the lungs, and it often needs emergency care right away. It is most often linked to pulmonary edema from heart failure, but severe lung injury, pneumonia, or high altitude can also cause it. If it happens with shortness of

Wheezing that shows up or gets worse when you lie down is a clue, not a diagnosis. It usually means something is narrowing your airways or making it harder for your lungs to work when your body is flat. 💡 TL;DR: Wheezing that gets worse when you lie down is

💡 TL;DR: White foamy mucus is often linked to mild causes like postnasal drip, allergies, reflux, or a short-term infection, and many cases improve with home care in 1 to 2 weeks. The big tradeoff is context: a small amount without breathing trouble is usually less urgent, but sudden

💡TL;DR: Walking pneumonia is a milder form of pneumonia that often feels like a long‑lasting chest cold, with a nagging cough, tiredness, and chest discomfort that can stretch on for weeks. Fever may be low or even absent, so pay more attention to how long your cough and

💡TL;DR: Shortness of breath when you lie flat is called orthopnea and it usually points to a heart or lung issue that needs checking. If it eases when you sit up or you need two or more pillows to sleep, schedule a medical visit; sudden or severe symptoms are